Question about 1999 Chevrolet Silverado 1500
I need to know what weight gear oil to use for rear differental on a 99 chevy 1500 siverado 1500
I believe that it is 80w90 but you also have to add differential additive for locker that is inside. you can purchase additive at chevy dealership, napa, or other parts stores just make sure it is formulated for gm.
Posted on Dec 22, 2008
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Posted on Jan 02, 2017
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